Seiko Cal. 4439 - 228

The Seiko 4439-228 represents an important milestone in Seiko's 1980 lineup. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-344c917ba614]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1980

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